class CLIPlugin { constructor(options) { this.options = options; } setupHotPlugin(compiler) { const { HotModuleReplacementPlugin } = compiler.webpack || require('webpack'); const hotModuleReplacementPlugin = Boolean(compiler.options.plugins.find((plugin) => plugin instanceof HotModuleReplacementPlugin)); if (!hotModuleReplacementPlugin) { new HotModuleReplacementPlugin().apply(compiler); } } setupPrefetchPlugin(compiler) { const { PrefetchPlugin } = compiler.webpack || require('webpack'); new PrefetchPlugin(null, this.options.prefetch).apply(compiler); } async setupBundleAnalyzerPlugin(compiler) { // eslint-disable-next-line node/no-extraneous-require const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer'); const bundleAnalyzerPlugin = Boolean(compiler.options.plugins.find((plugin) => plugin instanceof BundleAnalyzerPlugin)); if (!bundleAnalyzerPlugin) { new BundleAnalyzerPlugin().apply(compiler); } } setupProgressPlugin(compiler) { const { ProgressPlugin } = compiler.webpack || require('webpack'); const progressPlugin = Boolean(compiler.options.plugins.find((plugin) => plugin instanceof ProgressPlugin)); if (!progressPlugin) { new ProgressPlugin({ profile: this.options.progress === 'profile' }).apply(compiler); } } setupHelpfulOutput(compiler) { const pluginName = 'webpack-cli'; const getCompilationName = () => (compiler.name ? ` '${compiler.name}'` : ''); compiler.hooks.run.tap(pluginName, () => { this.logger.log(`Compilation${getCompilationName()} starting...`); }); compiler.hooks.watchRun.tap(pluginName, (compiler) => { const { bail, watch } = compiler.options; if (bail && watch) { this.logger.warn('You are using "bail" with "watch". "bail" will still exit webpack when the first error is found.'); } this.logger.log(`Compilation${getCompilationName()} starting...`); }); compiler.hooks.invalid.tap(pluginName, (filename, changeTime) => { const date = new Date(changeTime * 1000); this.logger.log(`File '${filename}' was modified`); this.logger.log(`Changed time is ${date} (timestamp is ${changeTime})`); }); (compiler.webpack ? compiler.hooks.afterDone : compiler.hooks.done).tap(pluginName, () => { this.logger.log(`Compilation${getCompilationName()} finished`); process.nextTick(() => { if (compiler.watchMode) { this.logger.log(`Compiler${getCompilationName()} is watching files for updates...`); } }); }); } apply(compiler) { this.logger = compiler.getInfrastructureLogger('webpack-cli'); if (this.options.progress) { this.setupProgressPlugin(compiler); } if (this.options.hot) { this.setupHotPlugin(compiler); } if (this.options.prefetch) { this.setupPrefetchPlugin(compiler); } if (this.options.analyze) { this.setupBundleAnalyzerPlugin(compiler); } this.setupHelpfulOutput(compiler); } } module.exports = CLIPlugin;